Multiple choice

At the neuromuscular junction

  1. the muscle membrane possesses muscarinic receptors

  2. the motor nerve endings releases the norepinephrine

  3. curare initiates to prolongation of neuromuscular transmission

  4. the motor nerve endings releases acetylcholine
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

 The motor nerve endings secrete acetylcholine, which activates nicotinic receptors of the muscle fibre membrane.

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